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New Tricks in the Phishing Playbook: Cloudflare Workers, HTML Smuggling, GenAI

New Tricks in the Phishing Playbook: Cloudflare Workers, HTML Smuggling, GenAI

May 27, 2024 Phishing Attack / Artificial Intelligence
Cybersecurity researchers are alerting of phishing campaigns that abuse  Cloudflare Workers  to serve phishing sites that are used to harvest users' credentials associated with Microsoft, Gmail, Yahoo!, and cPanel Webmail. The attack method, called transparent phishing or adversary-in-the-middle ( AitM ) phishing, "uses Cloudflare Workers to act as a reverse proxy server for a legitimate login page, intercepting traffic between the victim and the login page to capture credentials, cookies, and tokens," Netskope researcher Jan Michael Alcantara  said  in a report. A majority of phishing campaigns hosted on Cloudflare Workers over the past 30 days have targeted victims in Asia, North America, and Southern Europe, spanning technology, financial services, and banking sectors. The cybersecurity firm said that an increase in traffic to Cloudflare Workers-hosted phishing pages was first registered in Q2 2023, noting it observed a spike in the total number of distinct domains
Hackers Using Sneaky HTML Smuggling to Deliver Malware via Fake Google Sites

Hackers Using Sneaky HTML Smuggling to Deliver Malware via Fake Google Sites

Mar 18, 2024 Cryptocurrency / Malspam
Cybersecurity researchers have discovered a new malware campaign that leverages bogus Google Sites pages and HTML smuggling to distribute a commercial malware called  AZORult  in order to facilitate information theft. "It uses an unorthodox HTML smuggling technique where the malicious payload is embedded in a separate JSON file hosted on an external website," Netskope Threat Labs researcher Jan Michael Alcantara  said  in a report published last week. The phishing campaign has not been attributed to a specific threat actor or group. The cybersecurity company described it as widespread in nature, carried out with an intent to collect sensitive data for selling them in underground forums. AZORult, also called PuffStealer and Ruzalto, is an  information stealer  first detected around 2016. It's typically distributed via phishing and malspam campaigns, trojanized installers for pirated software or media, and malvertising. Once installed, it's capable of gathering cr
10,000 Victims a Day: Infostealer Garden of Low-Hanging Fruit

10,000 Victims a Day: Infostealer Garden of Low-Hanging Fruit

Jul 15, 2024Cyber Crime / Data Protection
Imagine you could gain access to any Fortune 100 company for $10 or less, or even for free. Terrifying thought, isn't it? Or exciting, depending on which side of the cybersecurity barricade you are on. Well, that's basically the state of things today. Welcome to the infostealer garden of low-hanging fruit. Over the last few years, the problem has grown bigger and bigger, and only now are we slowly learning its full destructive potential. In this article, we will describe how the entire cybercriminal ecosystem operates, the ways various threat actors exploit data originating from it, and most importantly, what you can do about it. Let's start with what infostealer malware actually is. As the name suggests, it's malware that... steals data. Depending on the specific type, the information it extracts might differ slightly, but most will try to extract the following: Cryptocurrency wallets Bank account information and saved credit card details Saved passwords from various apps Bro
Hackers Using SVG Files to Smuggle QBot Malware onto Windows Systems

Hackers Using SVG Files to Smuggle QBot Malware onto Windows Systems

Dec 15, 2022 Email Security / Endpoint Security
Phishing campaigns involving the  Qakbot malware  are using Scalable Vector Graphics ( SVG ) images embedded in HTML email attachments. The new distribution method was spotted by Cisco Talos, which  said  it identified fraudulent email messages featuring HTML attachments with encoded SVG images that incorporate  HTML script tags . HTML smuggling is a  technique  that relies on using legitimate features of HTML and JavaScript to run encoded malicious code contained within the lure attachment and assemble the payload on a victim's machine as opposed to making an HTTP request to fetch the malware from a remote server. In other words, the idea is to evade email gateways by storing a binary in the form of a JavaScript code that's decoded and downloaded when opened via a web browser. The attack chain spotted by the cybersecurity company concerns a JavaScript that's smuggled inside of the SVG image and executed when the unsuspecting email recipient launches the HTML attachme
cyber security

Top 4 Security Risks of GenAI

websiteWizGenAI Security / Technology
Gain a competitive edge and unlock the top 4 major emerging risks within GenAI. This report from Gartner provides insights and recommended actions for security and product leaders.
Hackers Increasingly Using HTML Smuggling in Malware and Phishing Attacks

Hackers Increasingly Using HTML Smuggling in Malware and Phishing Attacks

Nov 12, 2021
Threat actors are increasingly banking on the technique of  HTML smuggling  in phishing campaigns as a means to gain initial access and deploy an array of threats, including banking malware, remote administration trojans (RATs), and ransomware payloads. Microsoft 365 Defender Threat Intelligence Team, in a new report published Thursday, disclosed that it identified infiltrations distributing the  Mekotio  banking Trojan, backdoors such as  AsyncRAT  and  NjRAT , and the infamous  TrickBot  malware. The multi-staged attacks — dubbed  ISOMorph  — were also publicly documented by Menlo Security in July 2021. HTML smuggling is an approach that allows an attacker to "smuggle" first-stage droppers, often encoded malicious scripts embedded within specially-crafted HTML attachments or web pages, on a victim machine by taking advantage of basic features in HTML5 and JavaScript rather than exploiting a vulnerability or a design flaw in modern web browsers. By doing so, it enables
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